Radiator.



H. G. HARRISON.

RADIATOR.

APPLIGATION FILED 001210, 1911.

Patented 0ct.21,1913.

(June/al ow a W m w mu wows "onrr Annr Wren HERBERT CHAMPION HARRISON,or LOCKPORT, new rear, assreuoii, BY meat assre mnnrs, fro HARRISONMANUFACTURING CGMPANY, INQ, or LooKPoR'r, NEW YORK, A CORPORATION 01?NEW YORK.

RADIATOR.

Specification o1 I ietters' Patent.

ratemteaoea at, was.

Application filed October 10, 1911. Serial No. 653,926.

This invention relates to radiators es-- pecially adapted for flyingmachines, and has for its object to produce a radiator of this naturewhich will be more efficient when carried by a flying machine or otherfast moving object, than those heretofore l I p 2 the steering gearthereof, 3, one of the supporting planes of the machine, 4 the propel-'views:-Figure 1 is a diagrammatic plan view of a flying machineequipped with my invention; Fig. 2 is an enlarged sectional plan view ofa radiator made in accordance with my invention; and, Fig. 3. is a planview of one of my radiators detached from the machine.

It is well known that the ordinary automobile radiators consisting ofwater tubes passing in one direction, and of air channels passing in adirection at right angles to the tubes, usually have the face of theradiator extending in a direction perpendicular to the line of travel.In other words, the air passages are generally located at right anglesto the line of travel so that the full broad side face of the radiatorofiers resistance to the motion of the vvehicle. In fact, owing to themotion of the vehicle frequently not being more than a few miles perhour, it would. seem essential that the face of the radiator shouldextend at right angles to the line of travel, in order that a sufficientamount of air should be forced through the air passages to cool thewater in the water passages. When, however, such a radiator is placedupon a flying machine, as is the custom at present, the ordinaryvelocity of the flying machine is so very much greater than the ordinaryvelocity of an automobile, it no longer becomes necessary to locate theface of the radiator in a direction at right angles to the travel of themachine in order to get the necessary air pressure through the passages,and in fact the unnecessary resistance to flight which is engendered byso placing the radiator at' ri ht angles to the direction of flight isvery jectiona'ble.

According to my invention I obviate the above difficulties, as will benow more fully disclosed.-

1 indicates the seat of a flying machine,

ler, and 5 and 6 radiators located in their usual positions onsuchmachine. Instead, however, of placing the front faces 7 of saidradiators at right angles to the line of flight of the machine, I placesaid front faces at an acute angle thereto, say of about 10 to 15 or 20,and in order that the air may be caught by and forced through the airpassages 8 of said radiator, I locate said passages at an acute angle ofsay about 45 to the front face 7 of the radiator, as is best indicatedin Fig. 2. The radiator is shown comprising a series of verticalperforated plates extending rearwardly from the front face 7 thereof atan acute angle; thereby providing a series of air passages 8 throughtactwith the water tubes 11, all as will be clear from Fig. 2.

The action of air in passing through the radiator will be facilitated bythe suction of the propeller, and therefore, owing to this fact, theangle of the front face to the line of flight may be made smaller thanwould otherwise he the case. Further, since the c mbined h gh velocityof the m chine and the suction of the ropeller necessarily compels acomparativdly large volume of air to pass through the radiator, thewhole radiator ma be made smaller and lighter than woul be the case ifthe front face 7 were located at right angles to the line of flight, asis now the practice. It, therefore, to lows that not only does theparticular location and construction of this radiator decrease theresistance offered to the flight of the machine, but the further factthat it can be made smaller and lighter also aids in the generalefficiency of the flying machine. It therefore results from the factthat the flying machine is ordinarily ropelled at a high velocity that,notwithstanding the diminished front area which comes in contact withthe air, the speed will still be sufficiently high to force suflicientair through the passages 8 to efliciently cool the water tubes 11.

The particular construction of the air passages and of tie water tubesof the radiator does not form an integral portion of the presentinvention, for it is evident thatthe disclosure above will apply to allconstructions of radiators which may be found useful in connection withflying machines- I have, therefore, only diagrammatically shown theconstruction of my radiator, and since it is obvious that those Skilledin the art may vary the arrangement of parts as Well as the details ofconstruction without departing from the spirit of my invention, I do notwish to be limited to the above disclosure except as may be required bythe claim.

' What I claim is In a machine adapted to be propelled a high speed, aradiator having vertical front and side faces extending at acute anglesto the line of travel, said radiator comprising a vertical series ofperforated plates extend ing at an acute angle rearwardly from saidfront face, and a series of Water tubes extending vertically in thepassages between said angularly-extending plates.

In testimony whereo I affix my signature, in presence of two witnesses.

HERBERT CHAMPION HARRISON. I

Witnesses EMIL STREICHERT, PAUL SEEMILLER.

